Home / 18,603.61-25,673.28-10,105.75

Finding the Fourth Proportional to 18,603.61, 25,673.28 and 10,105.75

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Solution

The fourth proportional to 18,603.61, 25,673.28 and 10,105.75 is: 13,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.61 : 25,673.28 = 10,105.75 : x
  2. Step 2: Convert to fraction form
    18,603.61/25,673.28 = 10,105.75/x
  3. Step 3: Cross multiply
    18,603.61x = 25,673.28 × 10,105.75
  4. Step 4: Simplify right side
    18,603.61x = 259,447,749.36
  5. Step 5: Solve for x
    x = 259,447,749.36/18,603.61
  6. Step 6: Final answer
    x = 13,946.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.